Home / 195,895.36-270,391.66-115,369.60

Finding the Fourth Proportional to 195,895.36, 270,391.66 and 115,369.60

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Solution

The fourth proportional to 195,895.36, 270,391.66 and 115,369.60 is: 159,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,895.36 : 270,391.66 = 115,369.60 : x
  2. Step 2: Convert to fraction form
    195,895.36/270,391.66 = 115,369.60/x
  3. Step 3: Cross multiply
    195,895.36x = 270,391.66 × 115,369.60
  4. Step 4: Simplify right side
    195,895.36x = 31,194,977,657.54
  5. Step 5: Solve for x
    x = 31,194,977,657.54/195,895.36
  6. Step 6: Final answer
    x = 159,243.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.